Year	Number of Firms
1992-01-01	5
1997-01-01	4
2002-01-01	7
2003-01-01	9
2004-01-01	7
2005-01-01	7
2006-01-01	10
2007-01-01	16
2008-01-01	14
2009-01-01	14
2010-01-01	17
2011-01-01	19
2012-01-01	11
2013-01-01	19
2014-01-01	21
2015-01-01	17
2016-01-01	24